Caladenia atrovespa (D.L.Jones) G.N.Backh.

Leaf lanceolate, 80–120 × 8–12 mm, hairy. Flower stem 120–220 mm tall, sturdy, densely hairy, 1-flowered. Flowers 40–60 mm across, green to greenish yellow with red central stripes; sepals with brown clubs 5–12 × 1 mm; petals lacking clubs. Dorsal sepal incurved, 35–50 × 2.5–3.5 mm. Lateral sepals stiffly, obliquely decurved, 35–50 × 3–4 mm, parallel, tips often swept forwards. Petals decurved, 20–25 × 2–3 mm. Labellum delicately hinged, 14–16 × 17–20 mm, green with a white central patch and maroon apex; basal margins with 5–8 pairs of thin green comb-teeth to 5 mm long; midlobe margins with numerous short red teeth; tip recurved. Basal calli c. 4 mm long. Lamina calli to 2 mm long, dark maroon, in 4 crowded rows onto base of maroon patch. Column incurved, 12–14 × 4.5–5.5 mm, transparent with reddish streaks; basal glands c. 2 mm long, club-shaped, yellow with a dark red basal stalk, shiny.

Widely distributed in hills and ranges; growing on slopes and ridges in open forest among shrubs but also extending to drier inland areas on flats among tussocks and forbs in woodland and Callitris communities in freely draining sands or loams.